550505527775 has 12 divisors (see below), whose sum is σ = 780144976752. Its totient is φ = 377489504640.

The previous prime is 550505527771. The next prime is 550505527799. The reversal of 550505527775 is 577725505055.

It is a happy number.

It is not a de Polignac number, because 550505527775 - 2² = 550505527771 is a prime.

It is a super-2 number, since 2×550505527775² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550505527771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572872762 + ... + 1572873111.

It is an arithmetic number, because the mean of its divisors is an integer number (65012081396).

Almost surely, 2^550505527775 is an apocalyptic number.

550505527775 is a deficient number, since it is larger than the sum of its proper divisors (229639448977).

550505527775 is a wasteful number, since it uses less digits than its factorization.

550505527775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145745890 (or 3145745885 counting only the distinct ones).

The product of its (nonzero) digits is 10718750, while the sum is 53.

The spelling of 550505527775 in words is "five hundred fifty billion, five hundred five million, five hundred twenty-seven thousand, seven hundred seventy-five".